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Science

What Has Wings and Fur and Can Erase Historic Cave Artwork?

Hunting scenes, geometric patterns, hand stencils and other works of prehistoric art can exist on the walls of well-protected caves for tens of thousands of years - but only if there are no bats in the galleries.These flying mammals are…

Betelgeuse Merely Burped, Astronomers Conclude

Betelgeuse, to put it more politely, belched.In the fall of 2019, the star, a red supergiant on the shoulder of the Orion the Hunters constellation, began to darken dramatically to less than half its usual brightness, and some astronomers…

China, Russia Staff Up for a House Race With the U.S.

Luna 27 and Chang'e-6, for example, are said to drill into the surface and bring samples back to Earth - an accomplishment that China did three times a year with Chang'e-5 last December and the Soviet Union with Luna landers three times a…